https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2012/10/18?registers=between Sat, 04 May 2024 11:48:51 -0700 Sat, 04 May 2024 11:48:51 -0700 Justia Regulations Tracker Copyright 2011 Justia Inc. https://regulations.justia.com/images/justiafedregulations.gif https://regulations.justia.com/regulations/fedreg/agencies/department-of-labor/mine-safety-and-health-administration/2012/10/18?registers=between https://regulations.justia.com/regulations/fedreg/2012/10/18/2012-25658.html https://regulations.justia.com/regulations/fedreg/2012/10/18/2012-25658.html Thu, 18 Oct 2012 00:00:00 -0700 2012-25658 Notice http://www.gpo.gov/fdsys/pkg/FR-2012-10-18/pdf/2012-25658.pdf